Merge commit '2121ec9bca3507c7c3df6fb4fb1d553990adc05b' * commit '2121ec9bca3507c7c3df6fb4fb1d553990adc05b': Fix double-checked locking bug in LocalSocket.
Merge commit '2121ec9bca3507c7c3df6fb4fb1d553990adc05b' * commit '2121ec9bca3507c7c3df6fb4fb1d553990adc05b': Fix double-checked locking bug in LocalSocket.